/*
some simple CGI helper routines
Copyright (C) Andrew Tridgell 1997-1998
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "system/passwd.h"
+#include "system/filesys.h"
#include "web/swat_proto.h"
+#include "intl/lang_tdb.h"
+#include "auth.h"
#define MAX_VARIABLES 10000
while ((*cl)) {
int c;
-
+
if (i == len) {
char *ret2;
if (len == 0) len = 1024;
if (!ret2) return ret;
ret = ret2;
}
-
+
c = fgetc(f);
(*cl)--;
(*cl) = 0;
break;
}
-
+
if (c == '\r') continue;
if (strchr_m("\n&", c)) break;
ret[i++] = c;
}
-
+
if (ret) {
ret[i] = 0;
}
while (len && (line=grab_line(f, &len))) {
p = strchr_m(line,'=');
if (!p) continue;
-
+
*p = 0;
-
+
variables[num_variables].name = SMB_STRDUP(line);
variables[num_variables].value = SMB_STRDUP(p+1);
SAFE_FREE(line);
-
+
if (!variables[num_variables].name ||
!variables[num_variables].value)
continue;
variables[num_variables].name,
variables[num_variables].value);
#endif
-
+
num_variables++;
if (num_variables == MAX_VARIABLES) break;
}
tok=strtok_r(NULL, "&;", &saveptr)) {
p = strchr_m(tok,'=');
if (!p) continue;
-
+
*p = 0;
-
+
variables[num_variables].name = SMB_STRDUP(tok);
variables[num_variables].value = SMB_STRDUP(p+1);
char *dest = NULL;
size_t dest_len;
- convert_string_allocate(frame, CH_UTF8, CH_UNIX,
- variables[i].name, -1,
- &dest, &dest_len, True);
+ convert_string_talloc(frame, CH_UTF8, CH_UNIX,
+ variables[i].name, strlen(variables[i].name),
+ &dest, &dest_len);
SAFE_FREE(variables[i].name);
variables[i].name = SMB_STRDUP(dest ? dest : "");
dest = NULL;
- convert_string_allocate(frame, CH_UTF8, CH_UNIX,
- variables[i].value, -1,
- &dest, &dest_len, True);
+ convert_string_talloc(frame, CH_UTF8, CH_UNIX,
+ variables[i].value, strlen(variables[i].value),
+ &dest, &dest_len);
SAFE_FREE(variables[i].value);
variables[i].value = SMB_STRDUP(dest ? dest : "");
TALLOC_FREE(frame);
exit(0);
}
- pwd = getpwnam_alloc(NULL, user);
+ pwd = Get_Pwnam_alloc(talloc_tos(), user);
if (!pwd) {
printf("%sCannot find user %s<br>%s\n", head, user, tail);
exit(0);
char *p;
fstring user, user_pass;
struct passwd *pass = NULL;
+ const char *rhost;
+ char addr[INET6_ADDRSTRLEN];
if (!strnequal(line,"Basic ", 6)) {
goto err;
convert_string(CH_UTF8, CH_UNIX,
line, -1,
- user, sizeof(user), True);
+ user, sizeof(user));
convert_string(CH_UTF8, CH_UNIX,
p+1, -1,
- user_pass, sizeof(user_pass), True);
+ user_pass, sizeof(user_pass));
/*
* Try and get the user from the UNIX password file.
*/
-
- pass = getpwnam_alloc(NULL, user);
-
+
+ pass = Get_Pwnam_alloc(talloc_tos(), user);
+
+ rhost = client_name(1);
+ if (strequal(rhost,"UNKNOWN"))
+ rhost = client_addr(1, addr, sizeof(addr));
+
/*
* Validate the password they have given.
*/
-
- if NT_STATUS_IS_OK(pass_check(pass, user, user_pass,
- strlen(user_pass), NULL, False)) {
-
+
+ if NT_STATUS_IS_OK(pass_check(pass, user, rhost, user_pass, false)) {
if (pass) {
/*
* Password was ok.
*/
-
+
if ( initgroups(pass->pw_name, pass->pw_gid) != 0 )
goto err;
become_user_permanently(pass->pw_uid, pass->pw_gid);
-
+
/* Save the users name */
C_user = SMB_STRDUP(user);
TALLOC_FREE(pass);
return True;
}
}
-
+
err:
cgi_setup_error("401 Bad Authorization",
"WWW-Authenticate: Basic realm=\"SWAT\"\r\n",
}
}
- if (sys_stat(file, &st) != 0)
- {
+ if (sys_stat(file, &st, false) != 0) {
cgi_setup_error("404 File Not Found","",
"The requested file was not found");
}
- if (S_ISDIR(st.st_mode))
+ if (S_ISDIR(st.st_ex_mode))
{
snprintf(buf, sizeof(buf), "%s/index.html", file);
- if (!file_exist(buf, &st) || !S_ISREG(st.st_mode))
+ if (!file_exist_stat(buf, &st, false)
+ || !S_ISREG(st.st_ex_mode))
{
cgi_setup_error("404 File Not Found","",
"The requested file was not found");
}
}
- else if (S_ISREG(st.st_mode))
+ else if (S_ISREG(st.st_ex_mode))
{
snprintf(buf, sizeof(buf), "%s", file);
}
printf("Content-Type: text/html\r\n");
}
}
- printf("Expires: %s\r\n", http_timestring(time(NULL)+EXPIRY_TIME));
+ printf("Expires: %s\r\n",
+ http_timestring(talloc_tos(), time(NULL)+EXPIRY_TIME));
lang = lang_tdb_current();
if (lang) {
printf("Content-Language: %s\r\n", lang);
}
- printf("Content-Length: %d\r\n\r\n", (int)st.st_size);
+ printf("Content-Length: %d\r\n\r\n", (int)st.st_ex_size);
while ((l=read(fd,buf,sizeof(buf)))>0) {
- fwrite(buf, 1, l, stdout);
+ if (fwrite(buf, 1, l, stdout) != l) {
+ break;
+ }
}
close(fd);
exit(0);
+/* return true if the char* contains ip addrs only. Used to avoid
+name lookup calls */
+
+static bool only_ipaddrs_in_list(const char **list)
+{
+ bool only_ip = true;
+
+ if (!list) {
+ return true;
+ }
+
+ for (; *list ; list++) {
+ /* factor out the special strings */
+ if (strequal(*list, "ALL") || strequal(*list, "FAIL") ||
+ strequal(*list, "EXCEPT")) {
+ continue;
+ }
+
+ if (!is_ipaddress(*list)) {
+ /*
+ * If we failed, make sure that it was not because
+ * the token was a network/netmask pair. Only
+ * network/netmask pairs have a '/' in them.
+ */
+ if ((strchr_m(*list, '/')) == NULL) {
+ only_ip = false;
+ DEBUG(3,("only_ipaddrs_in_list: list has "
+ "non-ip address (%s)\n",
+ *list));
+ break;
+ }
+ }
+ }
+
+ return only_ip;
+}
+
+/* return true if access should be allowed to a service for a socket */
+static bool check_access(int sock, const char **allow_list,
+ const char **deny_list)
+{
+ bool ret = false;
+ bool only_ip = false;
+ char addr[INET6_ADDRSTRLEN];
+
+ if ((!deny_list || *deny_list==0) && (!allow_list || *allow_list==0)) {
+ return true;
+ }
+
+ /* Bypass name resolution calls if the lists
+ * only contain IP addrs */
+ if (only_ipaddrs_in_list(allow_list) &&
+ only_ipaddrs_in_list(deny_list)) {
+ only_ip = true;
+ DEBUG (3, ("check_access: no hostnames "
+ "in host allow/deny list.\n"));
+ ret = allow_access(deny_list,
+ allow_list,
+ "",
+ get_peer_addr(sock,addr,sizeof(addr)));
+ } else {
+ DEBUG (3, ("check_access: hostnames in "
+ "host allow/deny list.\n"));
+ ret = allow_access(deny_list,
+ allow_list,
+ get_peer_name(sock,true),
+ get_peer_addr(sock,addr,sizeof(addr)));
+ }
+
+ if (ret) {
+ DEBUG(2,("Allowed connection from %s (%s)\n",
+ only_ip ? "" : get_peer_name(sock,true),
+ get_peer_addr(sock,addr,sizeof(addr))));
+ } else {
+ DEBUG(0,("Denied connection from %s (%s)\n",
+ only_ip ? "" : get_peer_name(sock,true),
+ get_peer_addr(sock,addr,sizeof(addr))));
+ }
+
+ return(ret);
+}
/**
* @brief Setup the CGI framework.
}
printf("HTTP/1.0 200 OK\r\nConnection: close\r\n");
- printf("Date: %s\r\n", http_timestring(time(NULL)));
+ printf("Date: %s\r\n", http_timestring(talloc_tos(), time(NULL)));
baseurl = "";
pathinfo = url+1;
}
{
if (inetd_server) {
char addr[INET6_ADDRSTRLEN];
- return get_peer_addr(1,addr,sizeof(addr));
+ get_peer_addr(1,addr,sizeof(addr));
+ return talloc_strdup(talloc_tos(), addr);
}
return getenv("REMOTE_ADDR");
}